Bash scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it useful to have idempotent script, like Ansible and Saltstack teach use, this script should only do an action if needed. Some tima ago, I have the need to convert a bunch of …
I think constants are evil (just joking but….I will explain why). I am tired of seeing a lot of Java classes filled with the same constants repeated over and over again, instead of collecting them in a common file, which in C Language was called include files (ooooah!). Sometimes it is impossible to understand if …
In the 1980 comments were used to reduce the “gap” between unstructured code and “rationale” behind the code. C/64 Peek and poke where oscure. Gosub on function pointed by numbers was bad 8-bit systems was tight on command names and so on (think to write a python interpreter in Arduino/bbc:Micro, or look at the memory …
Character encoding is a very bad beast when you write code, but UTF-8 will save us. Belive me: You will love the Big Brother and the UTF-8. Unicode Transformation Format 8-bit is a variable-width encoding that can represent every character in the Unicode character set. It was designed for backward compatibility with ASCII and …
The department of defense, has published a nice document to “detect” agile bullshit. The document is called DIB_DETECTING_AGILE_BS_2018.10.05 and was published on October 2018. We saved a copy on our site, because we think it is very very interesting…
In this second article I will continue my jorney on LambdaMoo code base. The C code is very well written. Sometimes the API abuse global variable to avoid passing around identifier like output database file descriptor or the like. Because a lot of the system has been written in the Moo language, the core is …
Exploring a 23 years old code base: LambdaMoo MUD Part 2 Read More »
On these days my greek daemon (the one which talk to me about deep nerd programming) was interested on LambdaMoo. LambdaMoo is an Object Oriented Multi User Dungeon born back in 1995. A MUD was a text based system you log in, talk with other, create adventures and so on. LambdaMoo has a script language …
Exploring a 23 years old code base: LambdaMoo MUD Part 1 Read More »
Meltdown and Spectre are two big vulnearbilities found in Intel and AMD chips out of there. The vulenarbility is so huge it affects up to 1995 chips. On the raspberrypi, there is a very nice explanation of what Meltdown is. First of all, the one who discovered this bug is a GENIUS, for sure. The …
Vjdbc is a remote access for JDBC-Datasources developed more then ten years ago (last news are from 2007, with last comit from 2013. The project was migrated to Maven 3, but the code base is very old. I decided to give it a try, spin a github repository and started working on it, because you …
On some environment, on some customers, Oracle connections are drop after some idle time (i.e. 2 minutes). I have found a small plugin for Sql Developer to solve this issue: it is very handy and logs its usage. Code is also very clean keepalive extension for Oracle SQL Developer 4+https://github.com/scristalli/SQL-Developer-4-keepalive13 forks.89 stars.8 open issues.Recent commits: Fix …
Nel 2011, per studiare node js creai un progetto chiamato OrgModeParser. Org Mode è un package per l’editor Emacs, ed è pensato per tenere note strutturate, pianificare progetti con una schedulazione, mantenere una lista di cose da fare e generare poi documenti word o html da tali file in modo piuttosto efficace. Il package è …
AngularJS is indeed a good framework, but if you lose some grip on it (i.e. you go in vacation for 2 weeks), it is very complex to re-grasp. Also I have seen junior JavaScript developer confused my $scope use. JavaScript on client side has damned destiny: it is too easy to develop a framework from …
AngularJS alterantive: Micro JavaScript framework on the 2017 Read More »
Today I took a light rail with my son, to bring him to school. That tram is 90 years old. It has been maintained for 90 years. Milan city sold some of them to San Francisco too.
Sometimes in University I found bold young guy saying something like: I will reimplement this in machine language because is faster I will reimplement this xyz C function by my own My program crash, I think there is a bug in HP UNIX socket implementation I will ge rid of this Java Garbage Collector because …
The BBC Micro bit an ARM-based embedded system designed by the BBC for use in computer education in the UK. The device has been given away free […] [to every 11 years old pupil] in the UK, and is also available for purchase by anyone. This is the wikipedia definition. With a 5×5 led matrix, …
